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Format

Microsoft Access Database File

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Summary

Name
Microsoft Access Database File
Version
2007
Identifiers
  • Library of Congress Format Description Identifier: fdd000463
  • PUID: fmt/275
  • Wikidata QID Identifier: Q63391719
Format type
Database
Description
Microsoft Access ACCDB Database File is proprietary file format developed and used by Microsoft as a native format for its Microsoft Access desktop database management system. The format was introduced with Microsoft Access 2007 version of database system, replacing the MDB file format. First released in 1992, starting with version 1.0 the earlier versions of the database used the Jet Database Engine. For a full list of versions please follow the links provided in the Notes section.
Note
https://web.archive.org/web/20220711181532/http://fileformats.archiveteam.org/wiki/Access https://web.archive.org/web/20220901011824/https://en.wikipedia.org/wiki/Microsoft_Access https://www.loc.gov/preservation/digital/formats/fdd/fdd000463.shtml
File extensions
accdb
Source
Digital Preservation Department / The National Archives
Developed by
Microsoft Corporation

Relationships

Is subsequent version of

Internal signatures

MS Access 2007

Note
ACE Database header plus variably positioned AccessVersion element having value 09. Two byte sequences. First byte sequence character sequence, Standard ACE DB. Second byte sequence character sequence, A c c e s s V e r s I o n{0-2048} 0 9 . [0:9] [0:9]

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
000100005374616E64617264204143452044420002000000
Endianness
Little-endian
Min Frag Length
Variable
Offset
None
Max offset
None
Byte Sequence
410063006300650073007300560065007200730069006F006E{0-2048}300039002E00[30:39]00[30:39]
Endianness
Little-endian

Changelog

  • Added in V34

    Release date
    2 April 2010

    Microsoft Access Database 2007: Signature developed through DROID 5.0 research

    Microsoft Access Database 2007: Outline entry added